What are the effects of plantain and corn husk boiled in water?

Psyllium and cornhusk can play a part of the medicinal effect of psyllium and cornhusk, with a certain diuretic and drenching (to improve the urinary dribbling, urinary volume is not the problem), but the role of the efficacy is very limited, can not replace the medication used in the treatment of disease.
Plantago Ovata: sweet in taste, cold in nature, belonging to the liver, small intestine, kidney and lung meridians, it has the effect of clearing away heat, diuretic and drenching, cooling the blood, detoxifying and expectorating phlegm. The drug can be used for gonorrhea and astringent pain, edema and urination, vomiting and epistaxis, carbuncle, swelling and sores, phlegm-heat cough and other conditions. The adverse effects and contraindications of this drug are still unclear.
Corn Shrub: sweet in taste and neutral in nature, it belongs to the bladder, liver and gallbladder meridians, with the effects of inducing diuresis and seepage of dampness (promoting the operation of water to dispel dampness), and inducing diuresis to dispel jaundice (removing dampness and eliminating jaundice). This drug is mainly used for treating edema, dysuria (unsmooth urination), limb lethargy and other symptoms caused by spleen qi deficiency and dampness. The adverse effects and contraindications are not clear at present.
Boiling water with Chinese herbs has limited effect, it is recommended to consult a Chinese medicine practitioner before use and not to take it blindly by oneself to avoid adverse reactions.